儿童肥胖中的脂肪酸:营养,代谢变化和心血管风险之间的联系
Belen Davico1, Maximiliano Martin1, Anabel Impa Condori2
1Laboratorio de Lípidos y Aterosclerosis, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.
Journal of lipid and atherosclerosis
|June 10, 2025
概括
儿童肥胖与饮食不良,脂肪酸变化和心血管风险增加有关. 饮食习惯影响脂肪酸特征,脂肪酸特征介导饮食与肥胖相关的代谢变化之间的关系.
科学领域:
- 营养科学 营养科学
- 代谢健康 代谢健康
- 心血管疾病研究研究
背景情况:
- 儿童肥胖是一个日益关注的问题,通过炎症和代谢失调增加心血管风险.
- 饮食模式显著影响新陈代谢概况,并与肥胖和相关并发症的发展有关.
研究的目的:
- 调查饮食习惯,血脂肪酸概况,心血管风险因素和儿童肥胖之间的关联.
- 探索脂肪酸和心脏代谢标记物在饮食与肥胖关系中的调解作用.
主要方法:
- 一项病例控制研究,涉及20名肥胖儿童/青少年和20名对照人群.
- 评估人类测量数据,饮食摄入量 (食物频率问卷),血脂肪酸,葡萄糖代谢,脂质概况和特定的酶活性 (Lp-PLA2,CETP,PON1).
- 统计分析包括相关性,回归和调解分析.
主要成果:
- 肥胖儿童消费更多的面包制品和更少的谷物,表现出血脂肪酸水平的变化 (例如,更高的myristic,更低的酸).
- 肥胖与葡萄糖代谢受损,异位性脂质样本,升高的Lp-PLA2和降低PON1活性有关.
- 饮食摄入与代谢变化相关;特定的脂肪酸 (例如,myristic,EPA,gadoleic) 与心脏代谢生物标志物有显著的相关性.
结论:
- 患有肥胖症的儿童和青少年表现出乱的代谢特征,炎症,减少抗氧化能力和脂肪酸组成的改变.
- 饮食习惯,脂肪酸概况和心脏代谢标记是相互关联的,并调解儿童肥胖的发展.
相关概念视频
01:24Obesity
392
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
392
01:24Overview of Lipid Metabolism
1.1K
Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
1.1K
01:29Cholesterol: Significance and Regulation
519
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
519
01:28Overview of Fatty Acid Metabolism
30.2K
Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
30.2K
01:31Lipid-derived Compounds in the Human Body
4.3K
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
4.3K
01:18Lipids: Dietary Sources and Requirements
707
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
707